THE TRACE ELEMENT SELENIUM IN THE ECO-ENVIRONMENT AND THE KE SHAN DISEASE
生态环境中微量元素硒与克山病

A Kind of disease called ke shan disease occurred among the people in certain districts of our country. It was discovered that the water soluble selenium content in soil and the selenium content in both the cereals and human bodies in the disease district were all lower than that in the nondisease district. Hence this kind of disease is related to the dificiency of selenium in the eco-environment.The amount of water soluble selenium that can be absorbed by plants in the different disease districts was from ...